File:Cardiac Conduction System.jpg
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Cardiac Conduction System in the Adult Heart
Electrical conduction system of the heart occurs through specially modified cardiac muscle cells.
- Week 7 {{GA)) - SA node initially develops in the sinus venosus and then is incorporated into the RA.
- AV node arises slightly superior to the endocardial cushions.
- SA node - sinoatrial node located on the anterior border of the opening of the superior vena cava.
- AV node - atrioventricular node located near the orifice of the coronary sinus in the annular and septal fibres of the right atrium.
- bundle of His
- Left bundle branch
- Right bundle branch
- moderator band - primary conduction path in to the free wall originating from the right bundle branch.
References
<pubmed>19808465</pubmed> <pubmed>16148066</pubmed> <pubmed>20811536</pubmed> <pubmed>12382942</pubmed> <pubmed>20235167</pubmed>
Cite this page: Hill, M.A. (2024, April 20) Embryology Cardiac Conduction System.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Cardiac_Conduction_System.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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